11045409 has 8 divisors (see below), whose sum is σ = 14783040. Its totient is φ = 7335696.

The previous prime is 11045401. The next prime is 11045417. The reversal of 11045409 is 90454011.

It is an interprime number because it is at equal distance from previous prime (11045401) and next prime (11045417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11045409 - 2³ = 11045401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11045401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6037 + ... + 7650.

It is an arithmetic number, because the mean of its divisors is an integer number (1847880).

Almost surely, 2^11045409 is an apocalyptic number.

It is an amenable number.

11045409 is a deficient number, since it is larger than the sum of its proper divisors (3737631).

11045409 is a wasteful number, since it uses less digits than its factorization.

11045409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11045409 is about 3323.4634043419. The cubic root of 11045409 is about 222.7036153182.

The spelling of 11045409 in words is "eleven million, forty-five thousand, four hundred nine".